{"product_id":"duravent-3-4-inner-diameter-duraflex-al-coupler-type-b-gas-vent","title":"DuraVent 3\"-4\" Inner Diameter DuraFlex AL Coupler Type B Gas Vent","description":"\u003cdiv class=\"product__title\"\u003e\n\u003cdiv class=\"product__title\"\u003e\n\u003ch3 style=\"text-align: center;\"\u003eDuraVent DuraFlex AL Aluminum Coupler\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003eThe \u003c\/span\u003e\u003cstrong\u003e\u003cspan\u003eDuraVent DuraFlex AL Aluminum Coupler\u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003e is a dependable \u003c\/span\u003eflexible chimney liner connector designed for connecting DuraFlex AL aluminum liner sections in masonry chimney relining applications. Engineered for Category I natural gas and liquid propane appliances, this coupler provides a secure connection for Type B Gas Vent systems used with gas fireplaces, furnaces, boilers, water heaters, and wall or space heating appliances. It helps maintain proper vent performance while protecting masonry chimneys from the damaging effects of flue gas condensation.\u003c\/p\u003e\n\u003cp\u003eManufactured by DuraVent, a trusted leader in chimney liners and venting solutions, the DuraFlex AL Aluminum Coupler offers lightweight durability and easy installation for residential and commercial venting projects. This high-quality gas vent accessory is ideal for chimney restoration, flexible liner replacement, and HVAC vent system installations, delivering reliable performance and long-lasting connection strength.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul data-start=\"0\" data-end=\"1318\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"szwviq\" data-start=\"0\" data-end=\"223\"\u003e\n\u003cstrong data-start=\"2\" data-end=\"58\" data-is-only-node=\"\"\u003eDuraFlex AL Aluminum Coupler for PolyPro Connection:\u003c\/strong\u003e The DuraVent DuraFlex AL Aluminum Coupler is designed to connect DuraFlex AL aluminum liner lengths to PolyPro vent systems for reliable system integration.\u003c\/li\u003e\n\u003cli data-section-id=\"1tlfuwn\" data-start=\"224\" data-end=\"423\"\u003e\n\u003cstrong data-start=\"226\" data-end=\"271\" data-is-only-node=\"\"\u003eDesigned for Combustion Air Applications:\u003c\/strong\u003e Specifically engineered for use with combustion air intake systems, providing a dependable connection solution for approved venting configurations.\u003c\/li\u003e\n\u003cli data-section-id=\"1z01vrm\" data-start=\"424\" data-end=\"616\"\u003e\n\u003cstrong data-start=\"426\" data-end=\"466\" data-is-only-node=\"\"\u003eSecure Venting System Compatibility:\u003c\/strong\u003e Helps create a stable connection between DuraFlex AL and DuraVent PolyPro components, supporting efficient airflow and proper system performance.\u003c\/li\u003e\n\u003cli data-section-id=\"1qq3ak\" data-start=\"617\" data-end=\"791\"\u003e\n\u003cstrong data-start=\"619\" data-end=\"659\" data-is-only-node=\"\"\u003eOptional PPS-PAC Connection Support:\u003c\/strong\u003e The PPS-PAC accessory may be used to secure the connection, providing additional installation support and connection stability.\u003c\/li\u003e\n\u003cli data-section-id=\"1a7bcrf\" data-start=\"792\" data-end=\"960\"\u003e\n\u003cstrong data-start=\"794\" data-end=\"828\" data-is-only-node=\"\"\u003eDurable Aluminum Construction:\u003c\/strong\u003e Manufactured with lightweight, corrosion-resistant\u003cstrong\u003e \u003c\/strong\u003ealuminum material for dependable performance in demanding HVAC environments.\u003c\/li\u003e\n\u003cli data-section-id=\"1ywuujp\" data-start=\"961\" data-end=\"1131\"\u003e\n\u003cstrong data-start=\"963\" data-end=\"1007\" data-is-only-node=\"\"\u003eProfessional DuraVent Venting Accessory:\u003c\/strong\u003e Engineered by DuraVent, a trusted manufacturer of chimney liners, PolyPro vent systems, and HVAC venting solutions.\u003c\/li\u003e\n\u003cli data-section-id=\"nggvhu\" data-start=\"1132\" data-end=\"1318\" data-is-last-node=\"\"\u003e\n\u003cstrong data-start=\"1134\" data-end=\"1176\" data-is-only-node=\"\"\u003eIdeal for HVAC Combustion Air Systems:\u003c\/strong\u003e Provides a practical solution for high-efficiency appliance installations, combustion air routing, and professional venting applications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"width: 520px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003eSize\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e3DFA-FCP\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e3\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e4DFA-FCP\u003c\/td\u003e\n\u003ctd style=\"width: 178.198px;\"\u003e4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eVent Type\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\"\u003e\u003cspan\u003eType B Gas Vent\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003e\u003cspan\u003eMaterials \u0026amp; Const.\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\"\u003e\u003cspan\u003e010” aluminum (2-ply of .005”)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eClearance\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\"\u003e\u003cspan\u003e0” clearance to masonry\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eListings\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\"\u003e\u003cspan\u003eListed to UL 1777 and ULC S635\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 128px;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"width: 372px;\"\u003eLimited Lifetime Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DuraFlex_AL_Catalog.pdf?v=1667002866\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Catalog\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DFAL_Warranty.pdf?v=1667002768\" target=\"_blank\"\u003e\u003cstrong\u003eProduct Warranty\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/DFAL_Installation_Instruction.pdf?v=1667002803\" target=\"_blank\"\u003e\u003cstrong\u003eInstallation Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0100\/7917\/4734\/files\/Typical_Installations_DFAL.pdf?v=1667002846\" target=\"_blank\"\u003e\u003cstrong\u003eTypical Installations\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"DuraVent","offers":[{"title":"3\"","offer_id":53631884198179,"sku":"3DFA-FCP","price":76.0,"currency_code":"USD","in_stock":false},{"title":"4\"","offer_id":55343487975715,"sku":"4DFA-FCP","price":57.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/6926\/8771\/files\/DuraVent-3_-4_-Inner-Diameter-DuraFlex-AL-Coupler-Type-B-Gas-Vent-DuraVent-Dreamwood-Living-26028743.jpg?v=1780434736","url":"https:\/\/www.dreamwoodliving.com\/products\/duravent-3-4-inner-diameter-duraflex-al-coupler-type-b-gas-vent","provider":"Dreamwood Living","version":"1.0","type":"link"}